In case you haven't heard, the 42-year-old actor's girlfriend of more than two years is pregnant with the couple's first child together. A source confirmed the baby news to E! News yesterday.
McLarty is reportedly four months along. This will be McLarty's first child while Arquette already also has 9-year-old daughter Coco Arquette with ex-wife Courteney Cox.
So who is Christina McLarty? Here are five things to know about Arquette's baby mama.